Method, computer readable medium and MRI apparatus for performing phase-encode ghosting detection and mitigation in MRI

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United States of America Patent

PATENT NO 9846922
SERIAL NO

14948599

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Abstract

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A method detects phase-encoding ghosting in a MR image of an object to be imaged and mitigates the corresponding artifact in the MR image. The method includes acquiring MRI raw data of the object by a MRI apparatus. The MRI apparatus has multiple receiver channels for acquiring the MRI raw data. An artifact map of at least one part of the object to be imaged is calculated from the MRI raw data, the artifact map is configured for highlighting artifact appearing in the MR image. An outlier mask representing detected phase-encoding artifact is created in the artifact map. The phase-encode ghosting in the MR image is mitigated by using the previously obtained artifact map and the outlier mask for obtaining an improved MR image.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS HEALTHINEERS AGHENKESTR 127 ERLANGEN 91052

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hilbert, Tom Lausanne, CH 17 14
Krueger, Gunnar Watertown-Boston, US 12 85

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